00787naa#a2200205#i#450# EN\\bibl\103716 20251011224623.6 1994-4683 20250925b2025####ek#y0engy0150####ca RU Changes to volleyball rules and their impact on the sport's entertainment value Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 6 с. Journal article local Волейбол. 796.325 Методические основы видов спорта. 77.29 grnti Zaikin Mihail Viktorovich Udovichenko Elena Valentinovna Gorban' Irina Gennad'evna uchzapiski.lesgaft.spb.ru